__author__ = 'Administrator'


def fib(n):  # write Fibonacci series up to n
    a, b = 0, 1
    while b < n:
        print(b, end=' ')
        a, b = b, a + b
    print()


def fib2(n):  # return Fibonacci series up to n
    result = []
    a, b = 0, 1
    while b < n:
        result.append(b)
        a, b = b, a + b
    return result


if __name__ == "__main__":
    import sys

    print(__name__)
    fib(int(sys.argv[1]))
